About Us

We provide all aspects of ground engineering consultancy services for clients both in the UK and across the globe with access to more than a thousand ground engineering specialists worldwide. Coffey and Tetra Tech have been relied on for more than five decades to successfully deliver programmes in partnership with clients, major contractors, and other professional service providers.

Tetra Tech is a leading provider of consulting and engineering services with 30,000 associates working across the full project lifecycle worldwide. Our operations in the UK and Europe include more than 6,000 employees who are Leading with Science® to solve our clients’ most complex problems. Our engineers offer multidisciplinary regional expertise supported by a global network of industry-leading innovators for long-term sustainable solutions.

From advanced building services at Hoare Lea and NDY to integrated development solutions from Tetra Tech International Development, we combine global expertise with regional insight. Together with Tetra Tech, Carron + Walsh and RPS, we work alongside clients on local, national, and international projects to deliver on their objectives by providing sustainable and resilient solutions.

From single projects to large-scale programmes, we are adept at working in complex or highly regulated environments.

We have a wide range of expertise across our teams, providing a global support network with a personalised approach to client relationships to better understand where we can add value.